The country has put steep tariffs on an array of goods. Seventeen of the world's 20 largest economies have broken recent promises not to take protectionist measures.
As Ecuador enforces tighter migration limits on the islands, tension grows over how to balance human development with ecological conservation.
Since 1970s, loose association of conservation-minded urban areas has grown up worldwide.
Climate change is pushing marine animals out of their protected areas. Ways must be found to ensure that their protection migrates with them, naturalists say.
EarthTalk: If you said ‘volcanoes,’ guess again. Here’s why.
The release of four hostages Sunday marks an attempt by FARC to regain public credibility after a devastating year, say analysts.
A new constitution approved handily Sunday also risks dividing the nation.
Outdoor advances such as low-power chips and tiny solar panels let computers get a breath of fresh air.
How a former nun gets rival gangs to run their own legit businesses.